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Finding the Fourth Proportional to 303,375.56, 418,659.53 and 167,413.50

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Solution

The fourth proportional to 303,375.56, 418,659.53 and 167,413.50 is: 231,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,375.56 : 418,659.53 = 167,413.50 : x
  2. Step 2: Convert to fraction form
    303,375.56/418,659.53 = 167,413.50/x
  3. Step 3: Cross multiply
    303,375.56x = 418,659.53 × 167,413.50
  4. Step 4: Simplify right side
    303,375.56x = 70,089,256,388.59
  5. Step 5: Solve for x
    x = 70,089,256,388.59/303,375.56
  6. Step 6: Final answer
    x = 231,031.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.